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xtensa: support DMA buffers in high memory
[cris-mirror.git] / drivers / media / i2c / tvp5150.c
blob3c1851984b907a54b22920dec24e865731006f96
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 video decoder driver
4 //
5 // Copyright (c) 2005,2006 Mauro Carvalho Chehab <mchehab@infradead.org>
6
7 #include <dt-bindings/media/tvp5150.h>
8 #include <linux/i2c.h>
9 #include <linux/slab.h>
10 #include <linux/videodev2.h>
11 #include <linux/delay.h>
12 #include <linux/gpio/consumer.h>
13 #include <linux/module.h>
14 #include <linux/of_graph.h>
15 #include <media/v4l2-async.h>
16 #include <media/v4l2-device.h>
17 #include <media/v4l2-ctrls.h>
18 #include <media/v4l2-fwnode.h>
19 #include <media/v4l2-mc.h>
20
21 #include "tvp5150_reg.h"
22
23 #define TVP5150_H_MAX 720U
24 #define TVP5150_V_MAX_525_60 480U
25 #define TVP5150_V_MAX_OTHERS 576U
26 #define TVP5150_MAX_CROP_LEFT 511
27 #define TVP5150_MAX_CROP_TOP 127
28 #define TVP5150_CROP_SHIFT 2
29
30 MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
31 MODULE_AUTHOR("Mauro Carvalho Chehab");
32 MODULE_LICENSE("GPL v2");
33
34
35 static int debug;
36 module_param(debug, int, 0644);
37 MODULE_PARM_DESC(debug, "Debug level (0-2)");
38
39 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
40
41 struct tvp5150 {
42 struct v4l2_subdev sd;
43 #ifdef CONFIG_MEDIA_CONTROLLER
44 struct media_pad pads[DEMOD_NUM_PADS];
45 struct media_entity input_ent[TVP5150_INPUT_NUM];
46 struct media_pad input_pad[TVP5150_INPUT_NUM];
47 #endif
48 struct v4l2_ctrl_handler hdl;
49 struct v4l2_rect rect;
50
51 v4l2_std_id norm; /* Current set standard */
52 u32 input;
53 u32 output;
54 int enable;
55
56 u16 dev_id;
57 u16 rom_ver;
58
59 enum v4l2_mbus_type mbus_type;
60 };
61
62 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
63 {
64 return container_of(sd, struct tvp5150, sd);
65 }
66
67 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
68 {
69 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
70 }
71
72 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
73 {
74 struct i2c_client *c = v4l2_get_subdevdata(sd);
75 int rc;
76
77 rc = i2c_smbus_read_byte_data(c, addr);
78 if (rc < 0) {
79 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
80 return rc;
81 }
82
83 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: read 0x%02x = %02x\n", addr, rc);
84
85 return rc;
86 }
87
88 static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
89 unsigned char value)
90 {
91 struct i2c_client *c = v4l2_get_subdevdata(sd);
92 int rc;
93
94 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: writing %02x %02x\n", addr, value);
95 rc = i2c_smbus_write_byte_data(c, addr, value);
96 if (rc < 0)
97 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
98
99 return rc;
100 }
101
102 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
103 const u8 end, int max_line)
104 {
105 u8 buf[16];
106 int i = 0, j, len;
107
108 if (max_line > 16) {
109 dprintk0(sd->dev, "too much data to dump\n");
110 return;
111 }
112
113 for (i = init; i < end; i += max_line) {
114 len = (end - i > max_line) ? max_line : end - i;
115
116 for (j = 0; j < len; j++)
117 buf[j] = tvp5150_read(sd, i + j);
118
119 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);
120 }
121 }
122
123 static int tvp5150_log_status(struct v4l2_subdev *sd)
124 {
125 dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",
126 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
127 dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",
128 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
129 dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",
130 tvp5150_read(sd, TVP5150_OP_MODE_CTL));
131 dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",
132 tvp5150_read(sd, TVP5150_MISC_CTL));
133 dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",
134 tvp5150_read(sd, TVP5150_AUTOSW_MSK));
135 dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",
136 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
137 dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
138 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
139 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
140 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
141 dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",
142 tvp5150_read(sd, TVP5150_BRIGHT_CTL));
143 dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",
144 tvp5150_read(sd, TVP5150_SATURATION_CTL));
145 dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",
146 tvp5150_read(sd, TVP5150_HUE_CTL));
147 dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",
148 tvp5150_read(sd, TVP5150_CONTRAST_CTL));
149 dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",
150 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
151 dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",
152 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
153 dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",
154 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
155 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
156 dprintk0(sd->dev, "tvp5150: Active video cropping stop = 0x%02x%02x\n",
157 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
158 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
159 dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",
160 tvp5150_read(sd, TVP5150_GENLOCK));
161 dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",
162 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
163 dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",
164 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
165 dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",
166 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
167 dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
168 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
169 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
170 dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",
171 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
172 dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",
173 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
174 dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",
175 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
176 dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",
177 tvp5150_read(sd, TVP5150_VIDEO_STD));
178 dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
179 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
180 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
181 dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",
182 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
183 dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",
184 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
185 dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
186 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
187 dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",
188 tvp5150_read(sd, TVP5150_MSB_DEV_ID),
189 tvp5150_read(sd, TVP5150_LSB_DEV_ID));
190 dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",
191 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
192 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
193 dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",
194 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
195 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
196 dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",
197 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
198 dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",
199 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
200 dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
201 tvp5150_read(sd, TVP5150_STATUS_REG_1),
202 tvp5150_read(sd, TVP5150_STATUS_REG_2),
203 tvp5150_read(sd, TVP5150_STATUS_REG_3),
204 tvp5150_read(sd, TVP5150_STATUS_REG_4),
205 tvp5150_read(sd, TVP5150_STATUS_REG_5));
206
207 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,
208 TVP5150_TELETEXT_FIL1_END, 8);
209 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,
210 TVP5150_TELETEXT_FIL2_END, 8);
211
212 dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",
213 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
214 dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",
215 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
216 dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",
217 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
218 dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",
219 tvp5150_read(sd, TVP5150_INT_CONF));
220 dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",
221 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
222 dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",
223 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
224 dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",
225 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
226 dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",
227 tvp5150_read(sd, TVP5150_FIFO_RESET));
228 dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",
229 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
230 dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",
231 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
232 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
233 dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",
234 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
235 dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",
236 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
237 dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",
238 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
239
240 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI,
241 TVP5150_CC_DATA_END, 8);
242
243 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI,
244 TVP5150_WSS_DATA_END, 8);
245
246 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI,
247 TVP5150_VPS_DATA_END, 8);
248
249 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI,
250 TVP5150_VITC_DATA_END, 10);
251
252 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI,
253 TVP5150_LINE_MODE_END, 8);
254 return 0;
255 }
256
257 /****************************************************************************
258 Basic functions
259 ****************************************************************************/
260
261 static void tvp5150_selmux(struct v4l2_subdev *sd)
262 {
263 int opmode = 0;
264 struct tvp5150 *decoder = to_tvp5150(sd);
265 int input = 0;
266 int val;
267
268 /* Only tvp5150am1 and tvp5151 have signal generator support */
269 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
270 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
271 if (!decoder->enable)
272 input = 8;
273 }
274
275 switch (decoder->input) {
276 case TVP5150_COMPOSITE1:
277 input |= 2;
278 /* fall through */
279 case TVP5150_COMPOSITE0:
280 break;
281 case TVP5150_SVIDEO:
282 default:
283 input |= 1;
284 break;
285 }
286
287 dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n",
288 decoder->input, decoder->output,
289 input, opmode);
290
291 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
292 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
293
294 /*
295 * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For
296 * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK
297 * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the
298 * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set
299 * INTREQ/GPCL/VBLK to logic 1.
300 */
301 val = tvp5150_read(sd, TVP5150_MISC_CTL);
302 if (val < 0) {
303 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val);
304 return;
305 }
306
307 if (decoder->input == TVP5150_SVIDEO)
308 val = (val & ~TVP5150_MISC_CTL_GPCL) | TVP5150_MISC_CTL_HVLK;
309 else
310 val = (val & ~TVP5150_MISC_CTL_HVLK) | TVP5150_MISC_CTL_GPCL;
311 tvp5150_write(sd, TVP5150_MISC_CTL, val);
312 };
313
314 struct i2c_reg_value {
315 unsigned char reg;
316 unsigned char value;
317 };
318
319 /* Default values as sugested at TVP5150AM1 datasheet */
320 static const struct i2c_reg_value tvp5150_init_default[] = {
321 { /* 0x00 */
322 TVP5150_VD_IN_SRC_SEL_1,0x00
323 },
324 { /* 0x01 */
325 TVP5150_ANAL_CHL_CTL,0x15
326 },
327 { /* 0x02 */
328 TVP5150_OP_MODE_CTL,0x00
329 },
330 { /* 0x03 */
331 TVP5150_MISC_CTL,0x01
332 },
333 { /* 0x06 */
334 TVP5150_COLOR_KIL_THSH_CTL,0x10
335 },
336 { /* 0x07 */
337 TVP5150_LUMA_PROC_CTL_1,0x60
338 },
339 { /* 0x08 */
340 TVP5150_LUMA_PROC_CTL_2,0x00
341 },
342 { /* 0x09 */
343 TVP5150_BRIGHT_CTL,0x80
344 },
345 { /* 0x0a */
346 TVP5150_SATURATION_CTL,0x80
347 },
348 { /* 0x0b */
349 TVP5150_HUE_CTL,0x00
350 },
351 { /* 0x0c */
352 TVP5150_CONTRAST_CTL,0x80
353 },
354 { /* 0x0d */
355 TVP5150_DATA_RATE_SEL,0x47
356 },
357 { /* 0x0e */
358 TVP5150_LUMA_PROC_CTL_3,0x00
359 },
360 { /* 0x0f */
361 TVP5150_CONF_SHARED_PIN,0x08
362 },
363 { /* 0x11 */
364 TVP5150_ACT_VD_CROP_ST_MSB,0x00
365 },
366 { /* 0x12 */
367 TVP5150_ACT_VD_CROP_ST_LSB,0x00
368 },
369 { /* 0x13 */
370 TVP5150_ACT_VD_CROP_STP_MSB,0x00
371 },
372 { /* 0x14 */
373 TVP5150_ACT_VD_CROP_STP_LSB,0x00
374 },
375 { /* 0x15 */
376 TVP5150_GENLOCK,0x01
377 },
378 { /* 0x16 */
379 TVP5150_HORIZ_SYNC_START,0x80
380 },
381 { /* 0x18 */
382 TVP5150_VERT_BLANKING_START,0x00
383 },
384 { /* 0x19 */
385 TVP5150_VERT_BLANKING_STOP,0x00
386 },
387 { /* 0x1a */
388 TVP5150_CHROMA_PROC_CTL_1,0x0c
389 },
390 { /* 0x1b */
391 TVP5150_CHROMA_PROC_CTL_2,0x14
392 },
393 { /* 0x1c */
394 TVP5150_INT_RESET_REG_B,0x00
395 },
396 { /* 0x1d */
397 TVP5150_INT_ENABLE_REG_B,0x00
398 },
399 { /* 0x1e */
400 TVP5150_INTT_CONFIG_REG_B,0x00
401 },
402 { /* 0x28 */
403 TVP5150_VIDEO_STD,0x00
404 },
405 { /* 0x2e */
406 TVP5150_MACROVISION_ON_CTR,0x0f
407 },
408 { /* 0x2f */
409 TVP5150_MACROVISION_OFF_CTR,0x01
410 },
411 { /* 0xbb */
412 TVP5150_TELETEXT_FIL_ENA,0x00
413 },
414 { /* 0xc0 */
415 TVP5150_INT_STATUS_REG_A,0x00
416 },
417 { /* 0xc1 */
418 TVP5150_INT_ENABLE_REG_A,0x00
419 },
420 { /* 0xc2 */
421 TVP5150_INT_CONF,0x04
422 },
423 { /* 0xc8 */
424 TVP5150_FIFO_INT_THRESHOLD,0x80
425 },
426 { /* 0xc9 */
427 TVP5150_FIFO_RESET,0x00
428 },
429 { /* 0xca */
430 TVP5150_LINE_NUMBER_INT,0x00
431 },
432 { /* 0xcb */
433 TVP5150_PIX_ALIGN_REG_LOW,0x4e
434 },
435 { /* 0xcc */
436 TVP5150_PIX_ALIGN_REG_HIGH,0x00
437 },
438 { /* 0xcd */
439 TVP5150_FIFO_OUT_CTRL,0x01
440 },
441 { /* 0xcf */
442 TVP5150_FULL_FIELD_ENA,0x00
443 },
444 { /* 0xd0 */
445 TVP5150_LINE_MODE_INI,0x00
446 },
447 { /* 0xfc */
448 TVP5150_FULL_FIELD_MODE_REG,0x7f
449 },
450 { /* end of data */
451 0xff,0xff
452 }
453 };
454
455 /* Default values as sugested at TVP5150AM1 datasheet */
456 static const struct i2c_reg_value tvp5150_init_enable[] = {
457 {
458 TVP5150_CONF_SHARED_PIN, 2
459 },{ /* Automatic offset and AGC enabled */
460 TVP5150_ANAL_CHL_CTL, 0x15
461 },{ /* Activate YCrCb output 0x9 or 0xd ? */
462 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL |
463 TVP5150_MISC_CTL_INTREQ_OE |
464 TVP5150_MISC_CTL_YCBCR_OE |
465 TVP5150_MISC_CTL_SYNC_OE |
466 TVP5150_MISC_CTL_VBLANK |
467 TVP5150_MISC_CTL_CLOCK_OE,
468 },{ /* Activates video std autodetection for all standards */
469 TVP5150_AUTOSW_MSK, 0x0
470 },{ /* Default format: 0x47. For 4:2:2: 0x40 */
471 TVP5150_DATA_RATE_SEL, 0x47
472 },{
473 TVP5150_CHROMA_PROC_CTL_1, 0x0c
474 },{
475 TVP5150_CHROMA_PROC_CTL_2, 0x54
476 },{ /* Non documented, but initialized on WinTV USB2 */
477 0x27, 0x20
478 },{
479 0xff,0xff
480 }
481 };
482
483 struct tvp5150_vbi_type {
484 unsigned int vbi_type;
485 unsigned int ini_line;
486 unsigned int end_line;
487 unsigned int by_field :1;
488 };
489
490 struct i2c_vbi_ram_value {
491 u16 reg;
492 struct tvp5150_vbi_type type;
493 unsigned char values[16];
494 };
495
496 /* This struct have the values for each supported VBI Standard
497 * by
498 tvp5150_vbi_types should follow the same order as vbi_ram_default
499 * value 0 means rom position 0x10, value 1 means rom position 0x30
500 * and so on. There are 16 possible locations from 0 to 15.
501 */
502
503 static struct i2c_vbi_ram_value vbi_ram_default[] =
504 {
505 /* FIXME: Current api doesn't handle all VBI types, those not
506 yet supported are placed under #if 0 */
507 #if 0
508 {0x010, /* Teletext, SECAM, WST System A */
509 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
510 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
511 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
512 },
513 #endif
514 {0x030, /* Teletext, PAL, WST System B */
515 {V4L2_SLICED_TELETEXT_B,6,22,1},
516 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
517 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
518 },
519 #if 0
520 {0x050, /* Teletext, PAL, WST System C */
521 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
522 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
523 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
524 },
525 {0x070, /* Teletext, NTSC, WST System B */
526 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
527 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
528 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
529 },
530 {0x090, /* Tetetext, NTSC NABTS System C */
531 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
532 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
533 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
534 },
535 {0x0b0, /* Teletext, NTSC-J, NABTS System D */
536 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
537 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
538 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
539 },
540 {0x0d0, /* Closed Caption, PAL/SECAM */
541 {V4L2_SLICED_CAPTION_625,22,22,1},
542 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
543 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
544 },
545 #endif
546 {0x0f0, /* Closed Caption, NTSC */
547 {V4L2_SLICED_CAPTION_525,21,21,1},
548 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
549 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
550 },
551 {0x110, /* Wide Screen Signal, PAL/SECAM */
552 {V4L2_SLICED_WSS_625,23,23,1},
553 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
554 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
555 },
556 #if 0
557 {0x130, /* Wide Screen Signal, NTSC C */
558 {V4L2_SLICED_WSS_525,20,20,1},
559 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
560 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
561 },
562 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
563 {V4l2_SLICED_VITC_625,6,22,0},
564 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
565 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
566 },
567 {0x170, /* Vertical Interval Timecode (VITC), NTSC */
568 {V4l2_SLICED_VITC_525,10,20,0},
569 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
570 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
571 },
572 #endif
573 {0x190, /* Video Program System (VPS), PAL */
574 {V4L2_SLICED_VPS,16,16,0},
575 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
576 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
577 },
578 /* 0x1d0 User programmable */
579
580 /* End of struct */
581 { (u16)-1 }
582 };
583
584 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
585 const struct i2c_reg_value *regs)
586 {
587 while (regs->reg != 0xff) {
588 tvp5150_write(sd, regs->reg, regs->value);
589 regs++;
590 }
591 return 0;
592 }
593
594 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
595 const struct i2c_vbi_ram_value *regs)
596 {
597 unsigned int i;
598
599 /* Disable Full Field */
600 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
601
602 /* Before programming, Line mode should be at 0xff */
603 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
604 tvp5150_write(sd, i, 0xff);
605
606 /* Load Ram Table */
607 while (regs->reg != (u16)-1) {
608 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
609 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
610
611 for (i = 0; i < 16; i++)
612 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
613
614 regs++;
615 }
616 return 0;
617 }
618
619 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
620 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
621 struct v4l2_sliced_vbi_cap *cap)
622 {
623 const struct i2c_vbi_ram_value *regs = vbi_ram_default;
624 int line;
625
626 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
627 memset(cap, 0, sizeof *cap);
628
629 while (regs->reg != (u16)-1 ) {
630 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
631 cap->service_lines[0][line] |= regs->type.vbi_type;
632 }
633 cap->service_set |= regs->type.vbi_type;
634
635 regs++;
636 }
637 return 0;
638 }
639
640 /* Set vbi processing
641 * type - one of tvp5150_vbi_types
642 * line - line to gather data
643 * fields: bit 0 field1, bit 1, field2
644 * flags (default=0xf0) is a bitmask, were set means:
645 * bit 7: enable filtering null bytes on CC
646 * bit 6: send data also to FIFO
647 * bit 5: don't allow data with errors on FIFO
648 * bit 4: enable ECC when possible
649 * pix_align = pix alignment:
650 * LSB = field1
651 * MSB = field2
652 */
653 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
654 const struct i2c_vbi_ram_value *regs,
655 unsigned int type,u8 flags, int line,
656 const int fields)
657 {
658 struct tvp5150 *decoder = to_tvp5150(sd);
659 v4l2_std_id std = decoder->norm;
660 u8 reg;
661 int pos = 0;
662
663 if (std == V4L2_STD_ALL) {
664 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
665 return 0;
666 } else if (std & V4L2_STD_625_50) {
667 /* Don't follow NTSC Line number convension */
668 line += 3;
669 }
670
671 if (line < 6 || line > 27)
672 return 0;
673
674 while (regs->reg != (u16)-1) {
675 if ((type & regs->type.vbi_type) &&
676 (line >= regs->type.ini_line) &&
677 (line <= regs->type.end_line))
678 break;
679
680 regs++;
681 pos++;
682 }
683
684 if (regs->reg == (u16)-1)
685 return 0;
686
687 type = pos | (flags & 0xf0);
688 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
689
690 if (fields & 1)
691 tvp5150_write(sd, reg, type);
692
693 if (fields & 2)
694 tvp5150_write(sd, reg + 1, type);
695
696 return type;
697 }
698
699 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
700 const struct i2c_vbi_ram_value *regs, int line)
701 {
702 struct tvp5150 *decoder = to_tvp5150(sd);
703 v4l2_std_id std = decoder->norm;
704 u8 reg;
705 int pos, type = 0;
706 int i, ret = 0;
707
708 if (std == V4L2_STD_ALL) {
709 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
710 return 0;
711 } else if (std & V4L2_STD_625_50) {
712 /* Don't follow NTSC Line number convension */
713 line += 3;
714 }
715
716 if (line < 6 || line > 27)
717 return 0;
718
719 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
720
721 for (i = 0; i <= 1; i++) {
722 ret = tvp5150_read(sd, reg + i);
723 if (ret < 0) {
724 dev_err(sd->dev, "%s: failed with error = %d\n",
725 __func__, ret);
726 return 0;
727 }
728 pos = ret & 0x0f;
729 if (pos < 0x0f)
730 type |= regs[pos].type.vbi_type;
731 }
732
733 return type;
734 }
735
736 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
737 {
738 struct tvp5150 *decoder = to_tvp5150(sd);
739 int fmt = 0;
740
741 decoder->norm = std;
742
743 /* First tests should be against specific std */
744
745 if (std == V4L2_STD_NTSC_443) {
746 fmt = VIDEO_STD_NTSC_4_43_BIT;
747 } else if (std == V4L2_STD_PAL_M) {
748 fmt = VIDEO_STD_PAL_M_BIT;
749 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
750 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
751 } else {
752 /* Then, test against generic ones */
753 if (std & V4L2_STD_NTSC)
754 fmt = VIDEO_STD_NTSC_MJ_BIT;
755 else if (std & V4L2_STD_PAL)
756 fmt = VIDEO_STD_PAL_BDGHIN_BIT;
757 else if (std & V4L2_STD_SECAM)
758 fmt = VIDEO_STD_SECAM_BIT;
759 }
760
761 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
762 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
763 return 0;
764 }
765
766 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
767 {
768 struct tvp5150 *decoder = to_tvp5150(sd);
769
770 if (decoder->norm == std)
771 return 0;
772
773 /* Change cropping height limits */
774 if (std & V4L2_STD_525_60)
775 decoder->rect.height = TVP5150_V_MAX_525_60;
776 else
777 decoder->rect.height = TVP5150_V_MAX_OTHERS;
778
779
780 return tvp5150_set_std(sd, std);
781 }
782
783 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
784 {
785 struct tvp5150 *decoder = to_tvp5150(sd);
786
787 /* Initializes TVP5150 to its default values */
788 tvp5150_write_inittab(sd, tvp5150_init_default);
789
790 /* Initializes VDP registers */
791 tvp5150_vdp_init(sd, vbi_ram_default);
792
793 /* Selects decoder input */
794 tvp5150_selmux(sd);
795
796 /* Initializes TVP5150 to stream enabled values */
797 tvp5150_write_inittab(sd, tvp5150_init_enable);
798
799 /* Initialize image preferences */
800 v4l2_ctrl_handler_setup(&decoder->hdl);
801
802 tvp5150_set_std(sd, decoder->norm);
803
804 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
805 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40);
806
807 return 0;
808 };
809
810 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
811 {
812 struct v4l2_subdev *sd = to_sd(ctrl);
813 struct tvp5150 *decoder = to_tvp5150(sd);
814
815 switch (ctrl->id) {
816 case V4L2_CID_BRIGHTNESS:
817 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
818 return 0;
819 case V4L2_CID_CONTRAST:
820 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
821 return 0;
822 case V4L2_CID_SATURATION:
823 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
824 return 0;
825 case V4L2_CID_HUE:
826 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
827 break;
828 case V4L2_CID_TEST_PATTERN:
829 decoder->enable = ctrl->val ? false : true;
830 tvp5150_selmux(sd);
831 return 0;
832 }
833 return -EINVAL;
834 }
835
836 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
837 {
838 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
839
840 switch (val & 0x0F) {
841 case 0x01:
842 return V4L2_STD_NTSC;
843 case 0x03:
844 return V4L2_STD_PAL;
845 case 0x05:
846 return V4L2_STD_PAL_M;
847 case 0x07:
848 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
849 case 0x09:
850 return V4L2_STD_NTSC_443;
851 case 0xb:
852 return V4L2_STD_SECAM;
853 default:
854 return V4L2_STD_UNKNOWN;
855 }
856 }
857
858 static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
859 struct v4l2_subdev_pad_config *cfg,
860 struct v4l2_subdev_format *format)
861 {
862 struct v4l2_mbus_framefmt *f;
863 struct tvp5150 *decoder = to_tvp5150(sd);
864
865 if (!format || (format->pad != DEMOD_PAD_VID_OUT))
866 return -EINVAL;
867
868 f = &format->format;
869
870 f->width = decoder->rect.width;
871 f->height = decoder->rect.height;
872
873 f->code = MEDIA_BUS_FMT_UYVY8_2X8;
874 f->field = V4L2_FIELD_ALTERNATE;
875 f->colorspace = V4L2_COLORSPACE_SMPTE170M;
876
877 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
878 f->height);
879 return 0;
880 }
881
882 static int tvp5150_set_selection(struct v4l2_subdev *sd,
883 struct v4l2_subdev_pad_config *cfg,
884 struct v4l2_subdev_selection *sel)
885 {
886 struct tvp5150 *decoder = to_tvp5150(sd);
887 struct v4l2_rect rect = sel->r;
888 v4l2_std_id std;
889 int hmax;
890
891 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE ||
892 sel->target != V4L2_SEL_TGT_CROP)
893 return -EINVAL;
894
895 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
896 __func__, rect.left, rect.top, rect.width, rect.height);
897
898 /* tvp5150 has some special limits */
899 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
900 rect.width = clamp_t(unsigned int, rect.width,
901 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
902 TVP5150_H_MAX - rect.left);
903 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
904
905 /* Calculate height based on current standard */
906 if (decoder->norm == V4L2_STD_ALL)
907 std = tvp5150_read_std(sd);
908 else
909 std = decoder->norm;
910
911 if (std & V4L2_STD_525_60)
912 hmax = TVP5150_V_MAX_525_60;
913 else
914 hmax = TVP5150_V_MAX_OTHERS;
915
916 rect.height = clamp_t(unsigned int, rect.height,
917 hmax - TVP5150_MAX_CROP_TOP - rect.top,
918 hmax - rect.top);
919
920 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
921 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
922 rect.top + rect.height - hmax);
923 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
924 rect.left >> TVP5150_CROP_SHIFT);
925 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
926 rect.left | (1 << TVP5150_CROP_SHIFT));
927 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
928 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
929 TVP5150_CROP_SHIFT);
930 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
931 rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
932
933 decoder->rect = rect;
934
935 return 0;
936 }
937
938 static int tvp5150_get_selection(struct v4l2_subdev *sd,
939 struct v4l2_subdev_pad_config *cfg,
940 struct v4l2_subdev_selection *sel)
941 {
942 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
943 v4l2_std_id std;
944
945 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
946 return -EINVAL;
947
948 switch (sel->target) {
949 case V4L2_SEL_TGT_CROP_BOUNDS:
950 case V4L2_SEL_TGT_CROP_DEFAULT:
951 sel->r.left = 0;
952 sel->r.top = 0;
953 sel->r.width = TVP5150_H_MAX;
954
955 /* Calculate height based on current standard */
956 if (decoder->norm == V4L2_STD_ALL)
957 std = tvp5150_read_std(sd);
958 else
959 std = decoder->norm;
960 if (std & V4L2_STD_525_60)
961 sel->r.height = TVP5150_V_MAX_525_60;
962 else
963 sel->r.height = TVP5150_V_MAX_OTHERS;
964 return 0;
965 case V4L2_SEL_TGT_CROP:
966 sel->r = decoder->rect;
967 return 0;
968 default:
969 return -EINVAL;
970 }
971 }
972
973 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
974 struct v4l2_mbus_config *cfg)
975 {
976 struct tvp5150 *decoder = to_tvp5150(sd);
977
978 cfg->type = decoder->mbus_type;
979 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
980 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
981
982 return 0;
983 }
984
985 /****************************************************************************
986 V4L2 subdev pad ops
987 ****************************************************************************/
988 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
989 struct v4l2_subdev_pad_config *cfg,
990 struct v4l2_subdev_mbus_code_enum *code)
991 {
992 if (code->pad || code->index)
993 return -EINVAL;
994
995 code->code = MEDIA_BUS_FMT_UYVY8_2X8;
996 return 0;
997 }
998
999 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
1000 struct v4l2_subdev_pad_config *cfg,
1001 struct v4l2_subdev_frame_size_enum *fse)
1002 {
1003 struct tvp5150 *decoder = to_tvp5150(sd);
1004
1005 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
1006 return -EINVAL;
1007
1008 fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
1009 fse->min_width = decoder->rect.width;
1010 fse->max_width = decoder->rect.width;
1011 fse->min_height = decoder->rect.height / 2;
1012 fse->max_height = decoder->rect.height / 2;
1013
1014 return 0;
1015 }
1016
1017 /****************************************************************************
1018 Media entity ops
1019 ****************************************************************************/
1020
1021 #ifdef CONFIG_MEDIA_CONTROLLER
1022 static int tvp5150_link_setup(struct media_entity *entity,
1023 const struct media_pad *local,
1024 const struct media_pad *remote, u32 flags)
1025 {
1026 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1027 struct tvp5150 *decoder = to_tvp5150(sd);
1028 int i;
1029
1030 for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1031 if (remote->entity == &decoder->input_ent[i])
1032 break;
1033 }
1034
1035 /* Do nothing for entities that are not input connectors */
1036 if (i == TVP5150_INPUT_NUM)
1037 return 0;
1038
1039 decoder->input = i;
1040
1041 tvp5150_selmux(sd);
1042
1043 return 0;
1044 }
1045
1046 static const struct media_entity_operations tvp5150_sd_media_ops = {
1047 .link_setup = tvp5150_link_setup,
1048 };
1049 #endif
1050
1051 /****************************************************************************
1052 I2C Command
1053 ****************************************************************************/
1054
1055 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1056 {
1057 struct tvp5150 *decoder = to_tvp5150(sd);
1058 int val;
1059
1060 /* Enable or disable the video output signals. */
1061 val = tvp5150_read(sd, TVP5150_MISC_CTL);
1062 if (val < 0)
1063 return val;
1064
1065 val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
1066 TVP5150_MISC_CTL_CLOCK_OE);
1067
1068 if (enable) {
1069 /*
1070 * Enable the YCbCr and clock outputs. In discrete sync mode
1071 * (non-BT.656) additionally enable the the sync outputs.
1072 */
1073 val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE;
1074 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
1075 val |= TVP5150_MISC_CTL_SYNC_OE;
1076 }
1077
1078 tvp5150_write(sd, TVP5150_MISC_CTL, val);
1079
1080 return 0;
1081 }
1082
1083 static int tvp5150_s_routing(struct v4l2_subdev *sd,
1084 u32 input, u32 output, u32 config)
1085 {
1086 struct tvp5150 *decoder = to_tvp5150(sd);
1087
1088 decoder->input = input;
1089 decoder->output = output;
1090
1091 if (output == TVP5150_BLACK_SCREEN)
1092 decoder->enable = false;
1093 else
1094 decoder->enable = true;
1095
1096 tvp5150_selmux(sd);
1097 return 0;
1098 }
1099
1100 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1101 {
1102 /* this is for capturing 36 raw vbi lines
1103 if there's a way to cut off the beginning 2 vbi lines
1104 with the tvp5150 then the vbi line count could be lowered
1105 to 17 lines/field again, although I couldn't find a register
1106 which could do that cropping */
1107 if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1108 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
1109 if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1110 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
1111 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
1112 }
1113 return 0;
1114 }
1115
1116 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1117 {
1118 int i;
1119
1120 if (svbi->service_set != 0) {
1121 for (i = 0; i <= 23; i++) {
1122 svbi->service_lines[1][i] = 0;
1123 svbi->service_lines[0][i] =
1124 tvp5150_set_vbi(sd, vbi_ram_default,
1125 svbi->service_lines[0][i], 0xf0, i, 3);
1126 }
1127 /* Enables FIFO */
1128 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1129 } else {
1130 /* Disables FIFO*/
1131 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1132
1133 /* Disable Full Field */
1134 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1135
1136 /* Disable Line modes */
1137 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1138 tvp5150_write(sd, i, 0xff);
1139 }
1140 return 0;
1141 }
1142
1143 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1144 {
1145 int i, mask = 0;
1146
1147 memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1148
1149 for (i = 0; i <= 23; i++) {
1150 svbi->service_lines[0][i] =
1151 tvp5150_get_vbi(sd, vbi_ram_default, i);
1152 mask |= svbi->service_lines[0][i];
1153 }
1154 svbi->service_set = mask;
1155 return 0;
1156 }
1157
1158 #ifdef CONFIG_VIDEO_ADV_DEBUG
1159 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1160 {
1161 int res;
1162
1163 res = tvp5150_read(sd, reg->reg & 0xff);
1164 if (res < 0) {
1165 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
1166 return res;
1167 }
1168
1169 reg->val = res;
1170 reg->size = 1;
1171 return 0;
1172 }
1173
1174 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1175 {
1176 return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1177 }
1178 #endif
1179
1180 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1181 {
1182 int status = tvp5150_read(sd, 0x88);
1183
1184 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1185 return 0;
1186 }
1187
1188 static int tvp5150_registered(struct v4l2_subdev *sd)
1189 {
1190 #ifdef CONFIG_MEDIA_CONTROLLER
1191 struct tvp5150 *decoder = to_tvp5150(sd);
1192 int ret = 0;
1193 int i;
1194
1195 for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1196 struct media_entity *input = &decoder->input_ent[i];
1197 struct media_pad *pad = &decoder->input_pad[i];
1198
1199 if (!input->name)
1200 continue;
1201
1202 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1203
1204 ret = media_entity_pads_init(input, 1, pad);
1205 if (ret < 0)
1206 return ret;
1207
1208 ret = media_device_register_entity(sd->v4l2_dev->mdev, input);
1209 if (ret < 0)
1210 return ret;
1211
1212 ret = media_create_pad_link(input, 0, &sd->entity,
1213 DEMOD_PAD_IF_INPUT, 0);
1214 if (ret < 0) {
1215 media_device_unregister_entity(input);
1216 return ret;
1217 }
1218 }
1219 #endif
1220
1221 return 0;
1222 }
1223
1224 /* ----------------------------------------------------------------------- */
1225
1226 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1227 .s_ctrl = tvp5150_s_ctrl,
1228 };
1229
1230 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1231 .log_status = tvp5150_log_status,
1232 .reset = tvp5150_reset,
1233 #ifdef CONFIG_VIDEO_ADV_DEBUG
1234 .g_register = tvp5150_g_register,
1235 .s_register = tvp5150_s_register,
1236 #endif
1237 };
1238
1239 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1240 .g_tuner = tvp5150_g_tuner,
1241 };
1242
1243 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1244 .s_std = tvp5150_s_std,
1245 .s_stream = tvp5150_s_stream,
1246 .s_routing = tvp5150_s_routing,
1247 .g_mbus_config = tvp5150_g_mbus_config,
1248 };
1249
1250 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1251 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1252 .g_sliced_fmt = tvp5150_g_sliced_fmt,
1253 .s_sliced_fmt = tvp5150_s_sliced_fmt,
1254 .s_raw_fmt = tvp5150_s_raw_fmt,
1255 };
1256
1257 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1258 .enum_mbus_code = tvp5150_enum_mbus_code,
1259 .enum_frame_size = tvp5150_enum_frame_size,
1260 .set_fmt = tvp5150_fill_fmt,
1261 .get_fmt = tvp5150_fill_fmt,
1262 .get_selection = tvp5150_get_selection,
1263 .set_selection = tvp5150_set_selection,
1264 };
1265
1266 static const struct v4l2_subdev_ops tvp5150_ops = {
1267 .core = &tvp5150_core_ops,
1268 .tuner = &tvp5150_tuner_ops,
1269 .video = &tvp5150_video_ops,
1270 .vbi = &tvp5150_vbi_ops,
1271 .pad = &tvp5150_pad_ops,
1272 };
1273
1274 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1275 .registered = tvp5150_registered,
1276 };
1277
1278
1279 /****************************************************************************
1280 I2C Client & Driver
1281 ****************************************************************************/
1282
1283 static int tvp5150_detect_version(struct tvp5150 *core)
1284 {
1285 struct v4l2_subdev *sd = &core->sd;
1286 struct i2c_client *c = v4l2_get_subdevdata(sd);
1287 unsigned int i;
1288 u8 regs[4];
1289 int res;
1290
1291 /*
1292 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1293 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1294 */
1295 for (i = 0; i < 4; i++) {
1296 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1297 if (res < 0)
1298 return res;
1299 regs[i] = res;
1300 }
1301
1302 core->dev_id = (regs[0] << 8) | regs[1];
1303 core->rom_ver = (regs[2] << 8) | regs[3];
1304
1305 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1306 core->dev_id, regs[2], regs[3], c->addr << 1,
1307 c->adapter->name);
1308
1309 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1310 dev_info(sd->dev, "tvp5150a detected.\n");
1311 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1312 dev_info(sd->dev, "tvp5150am1 detected.\n");
1313
1314 /* ITU-T BT.656.4 timing */
1315 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1316 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1317 dev_info(sd->dev, "tvp5151 detected.\n");
1318 } else {
1319 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
1320 core->dev_id);
1321 }
1322
1323 return 0;
1324 }
1325
1326 static int tvp5150_init(struct i2c_client *c)
1327 {
1328 struct gpio_desc *pdn_gpio;
1329 struct gpio_desc *reset_gpio;
1330
1331 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1332 if (IS_ERR(pdn_gpio))
1333 return PTR_ERR(pdn_gpio);
1334
1335 if (pdn_gpio) {
1336 gpiod_set_value_cansleep(pdn_gpio, 0);
1337 /* Delay time between power supplies active and reset */
1338 msleep(20);
1339 }
1340
1341 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1342 if (IS_ERR(reset_gpio))
1343 return PTR_ERR(reset_gpio);
1344
1345 if (reset_gpio) {
1346 /* RESETB pulse duration */
1347 ndelay(500);
1348 gpiod_set_value_cansleep(reset_gpio, 0);
1349 /* Delay time between end of reset to I2C active */
1350 usleep_range(200, 250);
1351 }
1352
1353 return 0;
1354 }
1355
1356 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1357 {
1358 struct v4l2_fwnode_endpoint bus_cfg;
1359 struct device_node *ep;
1360 #ifdef CONFIG_MEDIA_CONTROLLER
1361 struct device_node *connectors, *child;
1362 struct media_entity *input;
1363 const char *name;
1364 u32 input_type;
1365 #endif
1366 unsigned int flags;
1367 int ret = 0;
1368
1369 ep = of_graph_get_next_endpoint(np, NULL);
1370 if (!ep)
1371 return -EINVAL;
1372
1373 ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg);
1374 if (ret)
1375 goto err;
1376
1377 flags = bus_cfg.bus.parallel.flags;
1378
1379 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
1380 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
1381 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
1382 flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
1383 ret = -EINVAL;
1384 goto err;
1385 }
1386
1387 decoder->mbus_type = bus_cfg.bus_type;
1388
1389 #ifdef CONFIG_MEDIA_CONTROLLER
1390 connectors = of_get_child_by_name(np, "connectors");
1391
1392 if (!connectors)
1393 goto err;
1394
1395 for_each_available_child_of_node(connectors, child) {
1396 ret = of_property_read_u32(child, "input", &input_type);
1397 if (ret) {
1398 dev_err(decoder->sd.dev,
1399 "missing type property in node %s\n",
1400 child->name);
1401 goto err_connector;
1402 }
1403
1404 if (input_type >= TVP5150_INPUT_NUM) {
1405 ret = -EINVAL;
1406 goto err_connector;
1407 }
1408
1409 input = &decoder->input_ent[input_type];
1410
1411 /* Each input connector can only be defined once */
1412 if (input->name) {
1413 dev_err(decoder->sd.dev,
1414 "input %s with same type already exists\n",
1415 input->name);
1416 ret = -EINVAL;
1417 goto err_connector;
1418 }
1419
1420 switch (input_type) {
1421 case TVP5150_COMPOSITE0:
1422 case TVP5150_COMPOSITE1:
1423 input->function = MEDIA_ENT_F_CONN_COMPOSITE;
1424 break;
1425 case TVP5150_SVIDEO:
1426 input->function = MEDIA_ENT_F_CONN_SVIDEO;
1427 break;
1428 }
1429
1430 input->flags = MEDIA_ENT_FL_CONNECTOR;
1431
1432 ret = of_property_read_string(child, "label", &name);
1433 if (ret < 0) {
1434 dev_err(decoder->sd.dev,
1435 "missing label property in node %s\n",
1436 child->name);
1437 goto err_connector;
1438 }
1439
1440 input->name = name;
1441 }
1442
1443 err_connector:
1444 of_node_put(connectors);
1445 #endif
1446 err:
1447 of_node_put(ep);
1448 return ret;
1449 }
1450
1451 static const char * const tvp5150_test_patterns[2] = {
1452 "Disabled",
1453 "Black screen"
1454 };
1455
1456 static int tvp5150_probe(struct i2c_client *c,
1457 const struct i2c_device_id *id)
1458 {
1459 struct tvp5150 *core;
1460 struct v4l2_subdev *sd;
1461 struct device_node *np = c->dev.of_node;
1462 int res;
1463
1464 /* Check if the adapter supports the needed features */
1465 if (!i2c_check_functionality(c->adapter,
1466 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1467 return -EIO;
1468
1469 res = tvp5150_init(c);
1470 if (res)
1471 return res;
1472
1473 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1474 if (!core)
1475 return -ENOMEM;
1476
1477 sd = &core->sd;
1478
1479 if (IS_ENABLED(CONFIG_OF) && np) {
1480 res = tvp5150_parse_dt(core, np);
1481 if (res) {
1482 dev_err(sd->dev, "DT parsing error: %d\n", res);
1483 return res;
1484 }
1485 } else {
1486 /* Default to BT.656 embedded sync */
1487 core->mbus_type = V4L2_MBUS_BT656;
1488 }
1489
1490 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1491 sd->internal_ops = &tvp5150_internal_ops;
1492 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1493
1494 #if defined(CONFIG_MEDIA_CONTROLLER)
1495 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
1496 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
1497 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
1498
1499 sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1500
1501 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads);
1502 if (res < 0)
1503 return res;
1504
1505 sd->entity.ops = &tvp5150_sd_media_ops;
1506 #endif
1507
1508 res = tvp5150_detect_version(core);
1509 if (res < 0)
1510 return res;
1511
1512 core->norm = V4L2_STD_ALL; /* Default is autodetect */
1513 core->input = TVP5150_COMPOSITE1;
1514 core->enable = true;
1515
1516 v4l2_ctrl_handler_init(&core->hdl, 5);
1517 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1518 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1519 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1520 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1521 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1522 V4L2_CID_SATURATION, 0, 255, 1, 128);
1523 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1524 V4L2_CID_HUE, -128, 127, 1, 0);
1525 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1526 V4L2_CID_PIXEL_RATE, 27000000,
1527 27000000, 1, 27000000);
1528 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
1529 V4L2_CID_TEST_PATTERN,
1530 ARRAY_SIZE(tvp5150_test_patterns),
1531 0, 0, tvp5150_test_patterns);
1532 sd->ctrl_handler = &core->hdl;
1533 if (core->hdl.error) {
1534 res = core->hdl.error;
1535 goto err;
1536 }
1537
1538 /* Default is no cropping */
1539 core->rect.top = 0;
1540 if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1541 core->rect.height = TVP5150_V_MAX_525_60;
1542 else
1543 core->rect.height = TVP5150_V_MAX_OTHERS;
1544 core->rect.left = 0;
1545 core->rect.width = TVP5150_H_MAX;
1546
1547 tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */
1548
1549 res = v4l2_async_register_subdev(sd);
1550 if (res < 0)
1551 goto err;
1552
1553 if (debug > 1)
1554 tvp5150_log_status(sd);
1555 return 0;
1556
1557 err:
1558 v4l2_ctrl_handler_free(&core->hdl);
1559 return res;
1560 }
1561
1562 static int tvp5150_remove(struct i2c_client *c)
1563 {
1564 struct v4l2_subdev *sd = i2c_get_clientdata(c);
1565 struct tvp5150 *decoder = to_tvp5150(sd);
1566
1567 dev_dbg_lvl(sd->dev, 1, debug,
1568 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1569 c->addr << 1);
1570
1571 v4l2_async_unregister_subdev(sd);
1572 v4l2_ctrl_handler_free(&decoder->hdl);
1573 return 0;
1574 }
1575
1576 /* ----------------------------------------------------------------------- */
1577
1578 static const struct i2c_device_id tvp5150_id[] = {
1579 { "tvp5150", 0 },
1580 { }
1581 };
1582 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1583
1584 #if IS_ENABLED(CONFIG_OF)
1585 static const struct of_device_id tvp5150_of_match[] = {
1586 { .compatible = "ti,tvp5150", },
1587 { /* sentinel */ },
1588 };
1589 MODULE_DEVICE_TABLE(of, tvp5150_of_match);
1590 #endif
1591
1592 static struct i2c_driver tvp5150_driver = {
1593 .driver = {
1594 .of_match_table = of_match_ptr(tvp5150_of_match),
1595 .name = "tvp5150",
1596 },
1597 .probe = tvp5150_probe,
1598 .remove = tvp5150_remove,
1599 .id_table = tvp5150_id,
1600 };
1601
1602 module_i2c_driver(tvp5150_driver);
CRIS linux kernel tree